CHEVROLET, GMC

21NA032

2021-03-29 · NHTSA 10191214

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.